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There only certain crosses that will produce heterozygous offspring. These are heterozygous vs heterozygous, homozygous vs homozygous and heterozygous vs homozygous.

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10y ago
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4mo ago

A cross between two individuals that are homozygous for different alleles will only produce heterozygous offspring. This is because each parent can only donate one type of allele, resulting in all offspring being heterozygous for that particular gene.

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Q: What crosses will only produce heterozygous offspring?
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Which cross will produce only horned roan offspring in cattle?

The cross that will produce only horned Roan offspring in cattle is the red bull with the white cow. However, these offspring would be able to create either red, white, or Roan.


Some animals such as cows normally produce only one offspring from each mating If a cow showed a dominant phenotype why would a typical testcross be a difficult way to determine the genotype?

If a cow showed a dominant phenotype, a testcross would be difficult because it involves crossing the individual with a homozygous recessive individual to determine its genotype. Since cows normally produce only one offspring from each mating, it may take several generations of test crosses to reliably determine the genotype.


What is the difference fom heterozygous and homozygous recessive?

In genetics, you can either have a dominant allele (A) or a recessive allele (a). Being homozygous means that you have both of either a dominant or a recessive allele (ie you are either AA or aa). If the trait is a recessive trait, then you need to have it be homozygous recessive in order to express that trait. Hope this was helpful! :-)


If a homozygous black guinea pig is crossed with a homozygous white guinea pig what is the probability that an offspring will have black fur?

100% because BB is dominant over bb and all the crosses make Bb


Which taxon includes only organism that can successfully interbreed?

The taxon that includes only organisms that can successfully interbreed is called a species. Members of the same species are able to mate and produce viable, fertile offspring.

Related questions

What is the probability of a heterhomozygous offspring?

Impossible. You can only be heterozygous or homozygous, not both.


The offspring of two parents that are heterozygous for a given trait have a percent chance of being homozygous for that trait?

There is a 25% chance (1 in 4) that the offspring will be homozygous for the trait. This is because when both parents are heterozygous (Aa), they can pass on either the dominant allele (A) or the recessive allele (a) to their offspring, resulting in a 1 in 4 chance of the offspring receiving the recessive allele from both parents and becoming homozygous (aa) for that trait.


Can an AAA and SS combination produce an AAA genotype?

No, an AAA and SS combination can only produce an Aa genotype. The offspring will inherit one allele from each parent, resulting in a heterozygous genotype. For an AAA genotype to be produced, both parents must have the same alleles for the specific gene.


Does vertebrates produce milk?

Not all vertabrates do, only mammals produce milk for offspring.


Which cross will produce only horned roan offspring in cattle?

The cross that will produce only horned Roan offspring in cattle is the red bull with the white cow. However, these offspring would be able to create either red, white, or Roan.


What is the maximum number of offspring that parent organisms can produce?

The maximum number of offspring that parent organisms can produce varies depending on the species. Some organisms can produce thousands of offspring in a single reproductive event, while others may only produce a few offspring. In general, organisms with shorter lifespans tend to produce more offspring compared to those with longer lifespans.


Can organisms in the same class interbreed and bear fertile offspring?

No, only organism in the same species can produce fertile offspring. Organisms from the same class sometimes can reproduce, but they cannot produce fertile offspring.


What will have only two possible phenotypes?

A trait determined by a single gene with two alleles will typically have only two possible phenotypes, one associated with each allele. Examples include pea plant seed color (yellow or green) and human blood type (A or B).


How do geneticists normally tell whether an organism exhibiting a dominant phenotype is homozygous or heterozygous?

Geneticists can perform a test cross by crossing the dominant organism with a homozygous recessive organism. If any offspring display the recessive trait, then the dominant organism is heterozygous. In the absence of recessive offspring, the dominant organism is likely homozygous.


What is the percentage of offspring that will exhibit the dominant trait from A crossing of A homozygous dominant and homozygous recessive individual?

The homozygous dominant individual can only pass on the dominant allele and the homozygous recessive individual can only pass on the recessive allele, therefore all offspring will be heterozygous and have the dominant phenotype.


How many offspring tigers produce?

Tigers can only usually have 3-4 cubs.


How do you make a pun nett square to show how many offspring will be heterozygous?

To create a punnett square showing offspring that are heterozygous, you can cross a heterozygous parent (e.g., Aa) with a homozygous recessive parent (e.g., aa). This will result in half of the offspring being heterozygous (Aa) in the punnett square.